GEOLOGY

Detailed explanation-1: -A species of animal or plant that is extinct no longer has any living members, either in the world or in a particular place. It is 250 years since the wolf became extinct in Britain.

Detailed explanation-2: -The species which no more exist on the earth are known as extinct species.

Detailed explanation-3: -Extinction is the process in which groups of organisms die out. If over an extended period of time the birth rate of a species is less than the death rate, then extinction will eventually occur.

Detailed explanation-4: -Extinction is the dying out of a species. Extinction plays an important role in the evolution of life because it opens up opportunities for new species to emerge.